NORTH CHARLESTON, S.C. — The family of a black, apparently unarmed man shot and killed by a white police officer said they intend to file a civil lawsuit against the officer who was charged Tuesday with murder.

Conway County Sheriff's Office received a call just before 5 p.m. Wednesday in reference to human remains being found on Petit Jean Mountain. On Thursday afternoon, an Arkansas State Parks official confirmed that the remains belonged to a Little Rock businessman missing since 2008.

A group of Republican senators warned Iran on Monday that any nuclear deal could be a temporary one, a move that White House officials denounced as an attempt to undermine President Obama's foreign policy.